When a transaction is rolled back in timestamp order, it gets a new timestamp. Why can't it just keep its old time stamp?
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When a transaction is rolled back in timestamp order, it gets a new timestamp. Why can't it just keep its old time stamp?
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- When a transaction is rolled-back under timestamp ordering, it is assigned a new timestamp. Why can it not simply keep its old timestamp?When a transaction is rolled back in accordance with timestamp ordering, a new timestamp is assigned to it. Why can't it simply retain its previous timestamp?The recurring transaction type that generates an alert when we should use a recurring transaction to enter a new transaction is
- A new timestamp will be applied to a transaction in line with the ordering of timestamps if that transaction is rolled back. Why is it that it can't just keep the timestamp that it had before?5. A transaction completes its execution is said to be a. Saved b. Loaded c. Rolled d. Committed100. _______ means that data used during the execution of a transaction cannot be used by a second transaction until the first one is completed. a. Serializability b. Atomicity c. Isolation d. Time stamping
- When is a transaction rolled back?When a new transaction should be entered using a recurring transaction, an alert is generated.Atomicity of transactions means that the transaction must be executed serially. True or False? Both committed and aborted transactions leave the database in consistent state. True or False?
- What is the relationship between releasing all locks at the end of a transaction and two-phase locking?How does the "serializability" property ensure transaction correctness?75. ______________ rolls back all transactions that were incomplete at the time of crash. a. Analysis pass b. Redo pass c. Undo pass d. None of the mentioned